_=id:java.lang.Integer,startTime:java.sql.Date,endTime:java.sql.Date,startElevation:double,endElevation:double
TimeElevation.0=0|2012-02-11|2012-02-12|1|2
TimeElevation.1=1|2012-02-12|2012-02-13|2|3
TimeElevation.2=2|2012-02-11|2012-02-13|1|3
